new rebuild missing on fire up

trevor patnoad · Aug 29, 2010

the new 8-n motor stars without a problem, but the engine seems to mis-fire. do I have a gasket leak somewhere? it just doesn't idle smooth, and when I give it gas it won't go to full rpm's. do I have somthing set wrong. the carb is straight from rebuild. I have the mix screw and power screw out 1 turn each from the seat. any help from you guy's would be great. you've been so helpfull in the last few days. later trevor

El Toro · Aug 29, 2010

Check your intake manifold to make sure it's tight. I would open the power screw more as this will enrich the fuel mixture. Hal

rustyfarmall · Aug 29, 2010

(quoted from post at 13:13:38 08/29/10) the new 8-n motor stars without a problem, but the engine seems to mis-fire. do I have a gasket leak somewhere? it just doesn't idle smooth, and when I give it gas it won't go to full rpm's. do I have somthing set wrong. the carb is straight from rebuild. I have the mix screw and power screw out 1 turn each from the seat. any help from you guy's would be great. you've been so helpfull in the last few days. later trevor

Might be an ignition timing issue. Do you have the spark plug wires in the correct order?

gregk · Aug 29, 2010

valves adjusted right? Could have one hanging open.

Bob N.Y. · Aug 29, 2010

Did you have the distributor out? My neighbor's 8N wouldn't rev up to full speed and it sounded "labored" at an idle. The distributor was installed 1 tooth out of time.

new rebuild missing on fire up

trevor patnoad

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El Toro

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rustyfarmall

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gregk

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Bob N.Y.

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